Fruhlingsstimmen (Voices of Spring), Op. 410

Recording identifiers

ISRC

HKI199194212

CopyrightID (CopyrightChains transaction hash)

0x5570cc8c59510e2d7451d3f5f0d0fe3ab60acfefbf720362b32c4b40817c52d6

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T13:50:38Z

Bitcoin block

960410

Canonical record hash

sha256:7c8d024f7eba6d23a6a8626ba21d41958cfa4bf99162ffd09d56fd42417d947e

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.